Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Income) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax	$ (240,012)	$ (588,048)
Minimum Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax	1,796,000	1,759,000
Unrealized Gain On Available-For-Sale Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax	2,000	24,000
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax	$ (2,038,000)	$ (2,371,000)